Issue 303 in project lilypond

[codesite-noreply]

Issue 303: Beam #'breakable = ##t does not draw with \remove Bar_engraver
http://code.google.com/p/lilypond/issues/detail?id=303

New issue report by trevorbaca:
No beams draw on the first system below; all four thirty-seconds wind up
looking like quarter notes.

%%% BEGIN %%%

\version "2.11.18"

\new Staff \with {
   \remove Bar_engraver
   \override Beam #'breakable = ##t
} {
   \time 1/8
   c'32 [
   c'32
   c'32
   c'32
   \break
   c'32
   c'32
   c'32
   c'32 ]
}

%%% END %%%


Leaving the Bar_engraver in place makes the bug go away.

I don't think this has anything to do with the recent
unbreakable-spanner-interface. Instead, I think this glitch has been here
for a long time.

Also, although no warnings issue from this minimal example, warnings do
issue in the more complex file that alerted me to the bug. Here are the
warnings from that file (which is not attached):

GNU LilyPond 2.11.18
Processing `0358.ly'
Parsing...
Interpreting music... [8][16][24][32][40][48][53]
Preprocessing graphical objects...
programming error: Improbable offset for stencil: -inf staff space
Setting to zero.
continuing, cross fingers
programming error: Improbable offset for stencil: nan staff space
Setting to zero.
continuing, cross fingers
programming error: Improbable offset for stencil: -inf staff space
Setting to zero.
continuing, cross fingers
programming error: Improbable offset for stencil: nan staff space

<snip>

continuing, cross fingers
programming error: Improbable offset for stencil: -inf staff space
Setting to zero.
continuing, cross fingers
programming error: Improbable offset for stencil: nan staff space
Setting to zero.
continuing, cross fingers
Layout output to `0358.ps'...
warning: Found infinity or nan in output. Substituting 0.0
warning: Found infinity or nan in output. Substituting 0.0
warning: Found infinity or nan in output. Substituting 0.0
warning: Found infinity or nan in output. Substituting 0.0
warning: Found infinity or nan in output. Substituting 0.0
warning: Found infinity or nan in output. Substituting 0.0
warning: Found infinity or nan in output. Substituting 0.0

<snip>

Converting to `0358.pdf'...


Issue attributes:
        Status: New
        Owner: ----
        Labels: Type-Defect Priority-Medium

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